LookStuffUp

A powerful FREE chromium extension that provides instant contextual information for any highlighted text. No more manually searching or opening new tabs—get the information you need, right where you are. Every functionality in this app is available to all users, No in-app purchases, no paywalls. You get what you see!

How to Use:

1. Highlight Text : Use your mouse to select any word or phrase on a webpage. A tooltip will instantly appear with a concise summary or definition.
2. Learn More: Click the source link at the bottom of the tooltip to open a new tab with the full article.

Key Features: Instant Lookup: Simply select any text on a webpage to get immediate, relevant information in a clean, non-intrusive tooltip.

Intelligent Search: Automatically handles variations in your selected text, like possessives (e.g., "Da Vinci's") or longer phrases, to find the most relevant core subject.

Accessibility: You can toggle dark mode and change font size.

Multiple Sources: Gets the best information by intelligently querying multiple sources, including English Dictionary, Wikipedia, DuckDuckGo, and Wiktionary.

Google-Powered (Optional): For the highest quality results, you can optionally add your own free Google API key and use the full functionality of Google Search within your current webpage!

Multi-Language Support: Automatically detects the language of the selected text to provide results from the appropriate sources in the language highlighted. Translation is not supported yet.

Performance-Optimized: Uses a built-in cache to provide near-instant results for repeated searches. Cache size maximum is < 1MB so massive RAM memory savings compared to opening a new tab every time you need to look-up information!